滥用所需颜色的 LED 和带有并行端口的旧计算机。然后使用 Parapin 将并行端口上的端口设置为开/关。硬件部分就像将电缆推入端口一样简单。
事实上，我自己已经这样做了，只需将 LED 塞到并行端口中就可以了。
Misuse LEDs in the wanted colors and an old computer with a parallel port for it. Then set ports on the parallel port to on/off using Parapin. The hardware part is as easy as pushing the cables in the ports.
Actually, I already did that myself, just stuffed the LED into the parallel port and it worked.
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滥用所需颜色的 LED 和带有并行端口的旧计算机。然后使用 Parapin 将并行端口上的端口设置为开/关。硬件部分就像将电缆推入端口一样简单。
事实上，我自己已经这样做了，只需将 LED 塞到并行端口中就可以了。
Misuse LEDs in the wanted colors and an old computer with a parallel port for it. Then set ports on the parallel port to on/off using Parapin. The hardware part is as easy as pushing the cables in the ports.
Actually, I already did that myself, just stuffed the LED into the parallel port and it worked.